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Finding the Fourth Proportional to 238,092.75, 328,546.28 and 141,279.92

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Solution

The fourth proportional to 238,092.75, 328,546.28 and 141,279.92 is: 194,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,092.75 : 328,546.28 = 141,279.92 : x
  2. Step 2: Convert to fraction form
    238,092.75/328,546.28 = 141,279.92/x
  3. Step 3: Cross multiply
    238,092.75x = 328,546.28 × 141,279.92
  4. Step 4: Simplify right side
    238,092.75x = 46,416,989,805.57
  5. Step 5: Solve for x
    x = 46,416,989,805.57/238,092.75
  6. Step 6: Final answer
    x = 194,953.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.